Tube-cleaner.



PATENTED MAR. 14, 1905.

J. J. PRICE.

TUBE CLEANER.

APPLIOATION FILED JAN. 20, 1904.

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UNITED STATES Patented March 14, 1905,

PATENT CEE-icE.

TUBE-CLEANER.

SPECIFICATION forming part of Letters Patent No. 784,884, dated March14, 1905. Application filed lanuary 20, 1904. Serial No. 189,794.

To all whom, it floaty concern.-

Be it known that 1, JOHN J. PRICE, a citizen of the United States,residing at Cement City, county of Lenawee, State of Michigan, haveinvented a certain new and useful Improvement in Tube-Cleaners; and Ideclarethe following to be a full, clear, and exact description of theinvention,-such as will enable others skilled inthe art to which itpertains to make and use the same, reference being had to theaccompanying drawings, which form a part of this specification.

My invention relates to cleaners for the tubes of water-tube boilers;and it consists in the improvements hereinafter described, and pointedout in the claims.

Referring to the accompanying drawings, Figure 1 is a sectional view ofa tool-head for cleaning the tubes of water-tube boilers embodying myinvention. Fig. 2 is a section on the line 2 2 of Fig. 1. Fig. 3 is adetail view of a part of the bell-crank lever operating the hammer-headand its connection.

In cleaners for the tubes of water-tube boilers a tool-head adapted toloosen the depositscale is forced through each tube by a long handle orin the case of bent tubes a hose. Fig.

'1 is a section of such a tool-head.

A' is an outer cylindrical casing to which the tool-handle is attachedat a.

A represents worm gear teeth formed around the interior surface of thecasingA in a plane at right angles to the axis of said casing.

B is an inner casing" adapted to turn in the casing A uponball-bearings. (Shown at each end ofthe casing B.)

A is an annular nut adapted to screw into the open end of the casing Ato hold the easing B in position.

Upon the casing B is pivoted at C a hammer consisting of a bell-cranklever C, having at its outer end a hammer-head C.

D is a small cylinder in the casing B, adapted to reciprocate the pistonD therein.

D is a piston-rod extending through an aperture in each head of thecylinder B and provided at its rear end with a laterally-extending arm Dand at its forward end connected by a pivoted and sliding joint C to onearm a of the bell-crank lever C.

F is a piston-valve adapted to control the distribution of steam to thecylinder D. F" is an aperture through said .piston-valve.

F represents lugs upon a rod extending from the piston valve F The arm Dis adapted to contact the lugs]? F to shift the piston-valve F and causethe oscillation of the piston D, and consequently the bell-crank leverC, which causes the hammer-head C to strike against the side of the tubeto loosen the scale.

D* is the inlet-passage for steam.

In the casing B is pivoted a shaft E", having thereon a worm-wheel E"and also a worm E, the thread of the latter engaging the teeth of theinternal rack .A.

E is a shaft, also pivoted in bearings in the casing 15.

E* is a worm upon the end of the shaft E, the threads of which engagewith the teeth of the worm gear-wheel upon the shaft E".

E is a steam-turbine wheel upon the shaft E E represents ports for delivering jets against the wings or blades of the turbine-wheel E".

(Z is a screw-threaded plug by which the quantity of steam admitted tothe ports E from the steam-passages D" may be adjusted.

The operation of the above-described device is as follows: The tool-headis placed in the tube to be cleaned and a pressure of air or steamadmitted to the port D", which causes the reciprocation of the piston Dand the oscillation of the hammer C, causing its head C to strikeagainst the walls of the tubes and loosen the scale. At the same timesteam is admitted to the ports E, causing the turbinewheel E to revolve,which carries with it the shaft E and the Worm E*, which latter causesthe shaft E" to rotate, which carries with it the worm E, whichoperating on the teeth 'of the internal rack A continually turns thehead B in the casing A, carrying with it the hammer C, causing thehammer-head C to strike a new place upon the wall of the tube at eachoscillation of said hammer. The steam or air after passing theturbine-wheel E and the cylinder D acts to blow the chips away from thetool-head.

i Vhat I claim is I. In a device of the class described, the combinationof an outer casing, an inner casing rotatable therein, an L-shapedmember pivotally attached to said inner casing with its long armlongitudinal and extending outside thereof, a piston mounted in saidinner casing and attached to the shortend of said L-shaped member andadapted to cause oscillation thereof, means consisting 01'' a worm-wheeland rack and a motor for causing rotation thereof and means forconducting an actuating fluid to said piston and to said motor,substantially as described.

2. In a device of the class described, the combination of an outercasing, a rotatable part interior thereto, an L-shaped member pivotallyattached to said rotatable part, having its long arm longitudinalthereof, actuating means mounted in said inner member and attached tothe short arm of said L-shaped member and adapted to cause oscillationthereof, a motor carried by the inner rotatable member, independent ofthe said actuating means, and adapted to act upon the outer casing andcause rotation of its own supporting part with reference thereto, andmcans connected with said motor for conducting power thereto,substantially as described.

3. In a device of the kind described, the combination of an outercasing, an inner casing adapted to rotate therein, an L-shaped memberpivotally attached to said inner casing with its long arm longitudinalthereof, means carried by said inner casing for causing oscillation ofsaid lL-shaped member, means consisting of a worm-wheel and rack and amotor for rotating the same, and means connected therewith forconducting an actuating fluid thereto from a suitable source of supply,substantially as described.

4. In a device of the kind described, the combination of an outercasing, an inner casing rotatable therein, a motor mounted there- On, anL-shaped member pivotally mounted on said inner casing, having its longarm longitudinal thereof, means consisting of a piston mounted on saidinner member and connected to the short arm of said L-shaped member forcausing oscillation thereof, an internal gearing on said outer casing,means consisting of a worm-wheel mounted on the inner casing and meshingwith said gearing for causing rotation of said inner casing, and meansfor conducting an actuating fluid to said rotating and motor means froma suitable source of supply, substantially as described.

5. In a device of the class described, the combination of an outercasing, an inner casing rotatable therein, motor means carried thereby,an L-shaped member pivotally attached to said inner casing, meanscarried by said inner casing whereby said L-shaped member may beoscillated, means consisting of a worm-wheel carried by said innercasing and a rack upon the inner face of said outer casing whereby thesame may be rotated, and means for conducting an actuating fluid from asuitable source of supply to said oscillating and to said rotatingmeans, substantially as described.

In testimony whereof I sign this specification in the presence of twowitnesses.

. JOHN J. PRICE.

Witnesses:

EARL E. PARKER, GRANVILLE BOGART.

